Title :
Enhanced sensitivity of DxPSK receiver by using data-aided phase noise estimation algorithm
Author :
Takushima, Y. ; Choi, H.Y. ; Chung, Y.C.
Author_Institution :
Dept. of Electr. Eng., KAIST, Daejeon, South Korea
Abstract :
We propose a novel algorithm for the phase-noise estimation to improve the sensitivity of a non-coherent multilevel differential phase-shift-keyed (DxPSK) receiver. We demonstrated nearly quantum-limited receiver sensitivity for D8PSK signals with this algorithm.
Keywords :
differential phase shift keying; optical noise; optical receivers; phase noise; DxPSK receiver; data-aided phase noise estimation; differential phase-shift-keying; quantum-limited receiver sensitivity; Delay; Demodulation; Gaussian noise; Phase detection; Phase estimation; Phase modulation; Phase noise; Signal detection; Transversal filters; Wiener filter;
Conference_Titel :
OptoElectronics and Communications Conference, 2009. OECC 2009. 14th
Conference_Location :
Hong Kong
Print_ISBN :
978-1-4244-4102-0
Electronic_ISBN :
978-1-4244-4103-7
DOI :
10.1109/OECC.2009.5213784
